Truck-frame for tread-powers



(No Model.)

0. F. & O. G. SMALLEY. TRUCK FRAME FOR TREAD POWERS.

No. 426,474. Patented Apr. 29, 1890.

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UNiTnn STATES ATENT Trice.

CHARLES FREMONT SMALLEY AND CLARENCE CHRISTIAN SMALLEY, OF MANITONOO, XVISCONSIN.

TRUCK-FRAM E FOR TREAD-POWERS.

SPECIFICATION forming part of Letters Patent No. 426,474, dated April 29, 1890.

Application filed October 12, 1889- Serial No. 326,781. (No model.)

To all whom, it may concern;

Be it known that we, CHARLES FREMONT SMALLEY and CLARENCE CHRISTIAN SMAL- LEY, Cltl'/JG11S of the United States, residing at Manitowoc, in the county of Manitowoc and State of \Visconsin, have invented certain new and useful Improvements in Tread-Powers; and we do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, and to the letters of reference marked thereon.

This invention relates to certain new and useful improvements in tread-powers;- and it has for its object to so construct the frame of the power that it maybe readily set upon the truck provided for its transportation. It has also for its object the provision of a simple and efficient truck for the purpose of trans porting the power-frame.

The invention consists in the novel construction of the truck with its castings, and means for connecting the said castings and to compensate for wear and to provide for adustment when necessary.

It also consists in the peculiarities of construetion, and the novel combinations, arrangement, and adaptation of parts, all as more fully hereinafter described, shown in the drawings, and then particularly pointed out in the appended claims.

The invention is clearly illustrated in the accompanying drawings, which, with the letters of reference marked thereon, form a part of this specification, and in which Figure 1 is a perspective view illustrating our invention, thepowerframe being mounted on the truck, the power-frame being shown by dotted lines. Fig. 2 is a perspective view of the truck detached. Fig. 3 is a vertical section through one of the truck-castings, showing the connection of the transverse rod with its nuts.

Referring now to the details of the drawings by letter, A designates a tread-power of known construction, preferably,however, of

. that shown, although the invention is applicable to tread-powers of any form. To the they form skids or slides upon which the power can be compactly put together for shipping, handling, or storing.

B are castings consisting each of asubstantially L-shaped portion B, from the horizontal portion of which depends a lug or ear (3, substantially in vertical line with the vertical portion, as shown clearly in Figs. 2 and From the vertical portion of the casting projects the stubaxle D,upon which the wheel is sleeved in the usual manner. In practice two of these castings are arranged in reverse directions, as shown in Fig. 2, with the stubaxles extending in opposite directions and the two held at the required distance apart by means of the transverse rod E, the ends of which pass through holes in the ears or lugs C, as shown, and are threaded, and this red is provided at each end with two jam-nuts F, one upon each side of the lug or car, as shown. This provides for the compensation of the natural wear and prevents spreading of the parts, and serves also as a strengtheningbrace to keep the trucks in 'an upright position. The truck thus formed is designed to receive the power-frame, the sills thereof, or, if preferred, the pieces a a, resting upon the l..-shaped portions of the castings, and may be secured thereto by bolts, as shown in Fig. 8, the vertical portions of the L-shaped parts of the castings being provided with holes for this purpose.

It will be seen that we thus provide a simple and cheap truck for the purpose, the sillpieces of the frame being secured to and rest ing upon the L-shaped portions of the castings, serving as supports for the axles, from which they can be easily detached, or to which the same maybe easily and quickly attached.

Nhat we claim as new is 1. The combination, with the castings, each provided with a substantially L-shaped por tion ertending at right angles to the axle to receive the sill of atread-power, of the transverse rod connecting said castings, as set forth.

2. Theconibination,withthecastingsformed with a substantially L-shaped portion and stub-axle, and depending lug, of the transverse rod connecting the lugs of the castings, substantially as and for the purpose specified.

Thecombination,with thecastingsformed with L-shaped portions, depending lugs, and In testimony that we claim the above we TO stub-axles, of the rod connecting said lugs, have hereunto subscribed our names in the and the jam-nuts on said rod, one upon each presence of tWo Witnesses.

side of said lugs, substantially as and for. the CHARLES FREMONT SMALLEY 5 purpose specified. 4 'A WIATTEY.

4. The combination, with the powenframe, CLARENCE CHRISTI S1 1 J of the longitudinal pieces a a, secured to the Witnesses: outer sides thereof, substantially as shown ANNE M. SIBREE, and described. TIM KELLEY. 

